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Sec. 3, 49 Stat. 892; 25 U.S.C. 305b. Interpret or apply sec. 2, 49 Stat. 891, as amended; 25 U.S.C. 305a.
The provisions of this part 304 contained in regulations governing use of Government mark on Navajo, Pueblo, and Hopi silver, April 2, 1937, unless otherwise noted.
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The use of Government trade-marks in an unauthorized manner, or the colorable imitation of such marks, is subject to the criminal penalties imposed by section 5 of the said act (49 Stat. 892; 25 U.S.C. 305d).